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प्रश्न
Group 1 and 2 : s block : : group 13 and 18 : _______
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उत्तर
Group 1 and 2 : s block : : group 13 and 18 : p Block
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संबंधित प्रश्न
What is periodicity in properties of elements with reference to the Modern Periodic Table?
Why do all the elements of the same group have similar properties?
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
State modern periodic law.
Fill in the following blank with suitable word:
The horizontal rows in a periodic table are called ...............
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
On which side of the periodic table will you find metals?
The modern periodic table was prepared by ______.
State whether the following statement is true or false:
On going down in a group of the periodic table, the number of valence electrons increases.
State how the valency of elements varies in a group of the periodic table?
What is a group in the periodic table?
Give the group number of following elements present in periodic table
Name the type of elements which have outermost shell complete.
An element A has 2 electrons in its fourth shell. State its electronic configuration.
Give the symbol and valency of the following element and radical.
Hydrogen
Give the symbol and valency of the following element and radical.
Calcium
Give the symbol and valency of the following element and radical.
Zinc
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
Give the symbol and valency of the following element and radical.
Oxygen [Oxide]
Give the symbol and valency of the following element and radical.
Nitrate
State what is meant by the term chemical formula.
Give the chemical formula of sodium hydroxide
Give the chemical formula of magnesium nitrate
What are the elements.
Compare Modern Periodic Law with Mendeleev's Periodic Law.
Group 13 to 18 : p block : : _______ : d block
Find the odd one out and give its explanation.
Find the odd one out and give its explanation.
An X element with atomic number 11 and Y element with atomic number 13 belongs to the third period in the modern periodic table. With this information, give the answers of the below questions.
- Which element has more metallic character from these two elements?
- What is the valency of each X and Y elements?
- Atom size of Y element is smaller than atom size of X element. Explain.
The element which has the least tendency to lose electrons is ______
An element which is an essential constituent of all organic compounds belongs to
Which of the following elements will form an acidic oxide?
Group 16 elements are collectively called as ______.
Spot the error:
The elements of group 13 are called the carbon family.
An element belonging to 3d series of modern periodic table has spin magnetic moment = 5.92 B.M. in +3 oxidation state. The atomic number of elements are ______.
Define groups of modern periodic table.
State the group and period, of the element having three shells with three electrons in valence shell.
